REVENUE AND CONTRACT BALANCES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Disaggregation of Revenue [Line Items]
Unbilled receivables, current	$ 6,700	$ 5,500
Contract with customer, liability	633,100	572,100
Contract with customer, liability, revenue recognized	478,100	402,200	$ 305,700
Capitalized contract cost, impairment loss	160,600	150,100
Amortization of deferred contract acquisition costs	$ 78,119	$ 66,640	$ 48,682
Minimum
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, contract term	1 year
Maximum
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, contract term	3 years